Rewrite using the word(s) in brackets to give the same meaning:
1- They didn’t win the match because they played badly. (If)
2- He didn’t have an umbrella. Therefore, he got wet in the rain. (Had)
3- She lost her tennis match because she didn’t have enough practice. (If)
4- He didn’t work hard. Perhaps that’s why he failed. (If)
5- He went to school. He learned to read and write well. (If)
6- I wanted to come to see you, but I didn’t know your address.
7- I didn’t have your mobile number, so I couldn’t phone you.
8- He forgot to write the time of the meeting, so he arrived an hour late. (If)
9- The flat was very expensive, so they didn’t buy it. (Unless)
10- You didn’t do very well in the test because you didn’t do enough revision.(If)
11- She went to bed very late: That’s why she was so tired this morning.
12- They played badly so they didn’t win. ( If)
13- His family had financial problems. He left school. (If)